1#!/bin/sh 2# 3# qemu configure script (c) 2003 Fabrice Bellard 4# 5 6# Unset some variables known to interfere with behavior of common tools, 7# just as autoconf does. 8CLICOLOR_FORCE= GREP_OPTIONS= 9unset CLICOLOR_FORCE GREP_OPTIONS 10 11# Don't allow CCACHE, if present, to use cached results of compile tests! 12export CCACHE_RECACHE=yes 13 14# make source path absolute 15source_path=$(cd "$(dirname -- "$0")"; pwd) 16 17if test "$PWD" = "$source_path" 18then 19 echo "Using './build' as the directory for build output" 20 21 MARKER=build/auto-created-by-configure 22 23 if test -e build 24 then 25 if test -f $MARKER 26 then 27 rm -rf build 28 else 29 echo "ERROR: ./build dir already exists and was not previously created by configure" 30 exit 1 31 fi 32 fi 33 34 if ! mkdir build || ! touch $MARKER 35 then 36 echo "ERROR: Could not create ./build directory. Check the permissions on" 37 echo "your source directory, or try doing an out-of-tree build." 38 exit 1 39 fi 40 41 cat > GNUmakefile <<'EOF' 42# This file is auto-generated by configure to support in-source tree 43# 'make' command invocation 44 45ifeq ($(MAKECMDGOALS),) 46recurse: all 47endif 48 49.NOTPARALLEL: % 50%: force 51 @echo 'changing dir to build for $(MAKE) "$(MAKECMDGOALS)"...' 52 @$(MAKE) -C build -f Makefile $(MAKECMDGOALS) 53 @if test "$(MAKECMDGOALS)" = "distclean" && \ 54 test -e build/auto-created-by-configure ; \ 55 then \ 56 rm -rf build GNUmakefile ; \ 57 fi 58force: ; 59.PHONY: force 60GNUmakefile: ; 61 62EOF 63 cd build 64 exec "$source_path/configure" "$@" 65fi 66 67# Temporary directory used for files created while 68# configure runs. Since it is in the build directory 69# we can safely blow away any previous version of it 70# (and we need not jump through hoops to try to delete 71# it when configure exits.) 72TMPDIR1="config-temp" 73rm -rf "${TMPDIR1}" 74if ! mkdir -p "${TMPDIR1}"; then 75 echo "ERROR: failed to create temporary directory" 76 exit 1 77fi 78 79TMPB="qemu-conf" 80TMPC="${TMPDIR1}/${TMPB}.c" 81TMPO="${TMPDIR1}/${TMPB}.o" 82TMPM="${TMPDIR1}/${TMPB}.m" 83TMPE="${TMPDIR1}/${TMPB}.exe" 84 85rm -f config.log 86 87# Print a helpful header at the top of config.log 88echo "# QEMU configure log $(date)" >> config.log 89printf "# Configured with:" >> config.log 90# repeat the invocation to log and stdout for CI 91invoke=$(printf " '%s'" "$0" "$@") 92test -n "$GITLAB_CI" && echo "configuring with: $invoke" 93{ echo "$invoke"; echo; echo "#"; } >> config.log 94 95quote_sh() { 96 printf "%s" "$1" | sed "s,','\\\\'',g; s,.*,'&'," 97} 98 99print_error() { 100 (echo 101 echo "ERROR: $1" 102 while test -n "$2"; do 103 echo " $2" 104 shift 105 done 106 echo) >&2 107} 108 109error_exit() { 110 print_error "$@" 111 exit 1 112} 113 114do_compiler() { 115 # Run the compiler, capturing its output to the log. First argument 116 # is compiler binary to execute. 117 compiler="$1" 118 shift 119 if test -n "$BASH_VERSION"; then eval ' 120 echo >>config.log " 121funcs: ${FUNCNAME[*]} 122lines: ${BASH_LINENO[*]}" 123 '; fi 124 echo $compiler "$@" >> config.log 125 $compiler "$@" >> config.log 2>&1 || return $? 126} 127 128do_compiler_werror() { 129 # Run the compiler, capturing its output to the log. First argument 130 # is compiler binary to execute. 131 compiler="$1" 132 shift 133 if test -n "$BASH_VERSION"; then eval ' 134 echo >>config.log " 135funcs: ${FUNCNAME[*]} 136lines: ${BASH_LINENO[*]}" 137 '; fi 138 echo $compiler "$@" >> config.log 139 $compiler "$@" >> config.log 2>&1 || return $? 140 # Test passed. If this is an --enable-werror build, rerun 141 # the test with -Werror and bail out if it fails. This 142 # makes warning-generating-errors in configure test code 143 # obvious to developers. 144 if test "$werror" != "yes"; then 145 return 0 146 fi 147 # Don't bother rerunning the compile if we were already using -Werror 148 case "$*" in 149 *-Werror*) 150 return 0 151 ;; 152 esac 153 echo $compiler -Werror "$@" >> config.log 154 $compiler -Werror "$@" >> config.log 2>&1 && return $? 155 error_exit "configure test passed without -Werror but failed with -Werror." \ 156 "This is probably a bug in the configure script. The failing command" \ 157 "will be at the bottom of config.log." \ 158 "You can run configure with --disable-werror to bypass this check." 159} 160 161do_cc() { 162 do_compiler_werror "$cc" $CPU_CFLAGS "$@" 163} 164 165do_objc() { 166 do_compiler_werror "$objcc" $CPU_CFLAGS "$@" 167} 168 169# Append $2 to the variable named $1, with space separation 170add_to() { 171 eval $1=\${$1:+\"\$$1 \"}\$2 172} 173 174compile_object() { 175 local_cflags="$1" 176 do_cc $CFLAGS $EXTRA_CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC 177} 178 179compile_prog() { 180 local_cflags="$1" 181 local_ldflags="$2" 182 do_cc $CFLAGS $EXTRA_CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC \ 183 $LDFLAGS $EXTRA_LDFLAGS $CONFIGURE_LDFLAGS $QEMU_LDFLAGS $local_ldflags 184} 185 186# symbolically link $1 to $2. Portable version of "ln -sf". 187symlink() { 188 rm -rf "$2" 189 mkdir -p "$(dirname "$2")" 190 ln -s "$1" "$2" 191} 192 193# check whether a command is available to this shell (may be either an 194# executable or a builtin) 195has() { 196 type "$1" >/dev/null 2>&1 197} 198 199version_ge () { 200 local_ver1=$(expr "$1" : '\([0-9.]*\)' | tr . ' ') 201 local_ver2=$(echo "$2" | tr . ' ') 202 while true; do 203 set x $local_ver1 204 local_first=${2-0} 205 # 'shift 2' if $2 is set, or 'shift' if $2 is not set 206 shift ${2:+2} 207 local_ver1=$* 208 set x $local_ver2 209 # the second argument finished, the first must be greater or equal 210 test $# = 1 && return 0 211 test $local_first -lt $2 && return 1 212 test $local_first -gt $2 && return 0 213 shift ${2:+2} 214 local_ver2=$* 215 done 216} 217 218if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]"; 219then 220 error_exit "main directory cannot contain spaces nor colons" 221fi 222 223# default parameters 224cpu="" 225static="no" 226cross_compile="no" 227cross_prefix="" 228host_cc="cc" 229stack_protector="" 230safe_stack="" 231use_containers="yes" 232gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb") 233 234if test -e "$source_path/.git" 235then 236 git_submodules_action="update" 237else 238 git_submodules_action="ignore" 239fi 240 241git_submodules="ui/keycodemapdb" 242git="git" 243 244# Don't accept a target_list environment variable. 245unset target_list 246unset target_list_exclude 247 248# Default value for a variable defining feature "foo". 249# * foo="no" feature will only be used if --enable-foo arg is given 250# * foo="" feature will be searched for, and if found, will be used 251# unless --disable-foo is given 252# * foo="yes" this value will only be set by --enable-foo flag. 253# feature will searched for, 254# if not found, configure exits with error 255# 256# Always add --enable-foo and --disable-foo command line args. 257# Distributions want to ensure that several features are compiled in, and it 258# is impossible without a --enable-foo that exits if a feature is not found. 259 260default_feature="" 261# parse CC options second 262for opt do 263 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 264 case "$opt" in 265 --without-default-features) 266 default_feature="no" 267 ;; 268 esac 269done 270 271EXTRA_CFLAGS="" 272EXTRA_CXXFLAGS="" 273EXTRA_OBJCFLAGS="" 274EXTRA_LDFLAGS="" 275 276debug_tcg="no" 277sanitizers="no" 278tsan="no" 279fortify_source="yes" 280EXESUF="" 281modules="no" 282prefix="/usr/local" 283qemu_suffix="qemu" 284softmmu="yes" 285linux_user="" 286bsd_user="" 287pie="" 288coroutine="" 289plugins="$default_feature" 290meson="" 291ninja="" 292bindir="bin" 293skip_meson=no 294vfio_user_server="disabled" 295 296# The following Meson options are handled manually (still they 297# are included in the automatically generated help message) 298 299# 1. Track which submodules are needed 300fdt="auto" 301 302# 2. Automatically enable/disable other options 303tcg="auto" 304cfi="false" 305 306# parse CC options second 307for opt do 308 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 309 case "$opt" in 310 --cross-prefix=*) cross_prefix="$optarg" 311 cross_compile="yes" 312 ;; 313 --cc=*) CC="$optarg" 314 ;; 315 --cxx=*) CXX="$optarg" 316 ;; 317 --cpu=*) cpu="$optarg" 318 ;; 319 --extra-cflags=*) 320 EXTRA_CFLAGS="$EXTRA_CFLAGS $optarg" 321 EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg" 322 EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg" 323 ;; 324 --extra-cxxflags=*) EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg" 325 ;; 326 --extra-objcflags=*) EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg" 327 ;; 328 --extra-ldflags=*) EXTRA_LDFLAGS="$EXTRA_LDFLAGS $optarg" 329 ;; 330 --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option" 331 ;; 332 --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-cflags-}; cc_arch=${cc_arch%%=*} 333 eval "cross_cc_cflags_${cc_arch}=\$optarg" 334 ;; 335 --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*} 336 eval "cross_cc_${cc_arch}=\$optarg" 337 ;; 338 --cross-prefix-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-prefix-FOO option" 339 ;; 340 --cross-prefix-*) cc_arch=${opt#--cross-prefix-}; cc_arch=${cc_arch%%=*} 341 eval "cross_prefix_${cc_arch}=\$optarg" 342 ;; 343 esac 344done 345 346# Preferred compiler: 347# ${CC} (if set) 348# ${cross_prefix}gcc (if cross-prefix specified) 349# system compiler 350if test -z "${CC}${cross_prefix}"; then 351 cc="$host_cc" 352else 353 cc="${CC-${cross_prefix}gcc}" 354fi 355 356if test -z "${CXX}${cross_prefix}"; then 357 cxx="c++" 358else 359 cxx="${CXX-${cross_prefix}g++}" 360fi 361 362ar="${AR-${cross_prefix}ar}" 363as="${AS-${cross_prefix}as}" 364ccas="${CCAS-$cc}" 365objcopy="${OBJCOPY-${cross_prefix}objcopy}" 366ld="${LD-${cross_prefix}ld}" 367ranlib="${RANLIB-${cross_prefix}ranlib}" 368nm="${NM-${cross_prefix}nm}" 369smbd="$SMBD" 370strip="${STRIP-${cross_prefix}strip}" 371widl="${WIDL-${cross_prefix}widl}" 372windres="${WINDRES-${cross_prefix}windres}" 373windmc="${WINDMC-${cross_prefix}windmc}" 374pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}" 375query_pkg_config() { 376 "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@" 377} 378pkg_config=query_pkg_config 379sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}" 380 381# default flags for all hosts 382# We use -fwrapv to tell the compiler that we require a C dialect where 383# left shift of signed integers is well defined and has the expected 384# 2s-complement style results. (Both clang and gcc agree that it 385# provides these semantics.) 386QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv" 387QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS" 388 389QEMU_LDFLAGS= 390 391# Flags that are needed during configure but later taken care of by Meson 392CONFIGURE_CFLAGS="-std=gnu11 -Wall" 393CONFIGURE_LDFLAGS= 394 395 396check_define() { 397cat > $TMPC <<EOF 398#if !defined($1) 399#error $1 not defined 400#endif 401int main(void) { return 0; } 402EOF 403 compile_object 404} 405 406check_include() { 407cat > $TMPC <<EOF 408#include <$1> 409int main(void) { return 0; } 410EOF 411 compile_object 412} 413 414write_c_skeleton() { 415 cat > $TMPC <<EOF 416int main(void) { return 0; } 417EOF 418} 419 420if check_define __linux__ ; then 421 targetos=linux 422elif check_define _WIN32 ; then 423 targetos=windows 424elif check_define __OpenBSD__ ; then 425 targetos=openbsd 426elif check_define __sun__ ; then 427 targetos=sunos 428elif check_define __HAIKU__ ; then 429 targetos=haiku 430elif check_define __FreeBSD__ ; then 431 targetos=freebsd 432elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then 433 targetos=gnu/kfreebsd 434elif check_define __DragonFly__ ; then 435 targetos=dragonfly 436elif check_define __NetBSD__; then 437 targetos=netbsd 438elif check_define __APPLE__; then 439 targetos=darwin 440else 441 # This is a fatal error, but don't report it yet, because we 442 # might be going to just print the --help text, or it might 443 # be the result of a missing compiler. 444 targetos=bogus 445fi 446 447# OS specific 448 449mingw32="no" 450bsd="no" 451linux="no" 452solaris="no" 453case $targetos in 454windows) 455 mingw32="yes" 456 plugins="no" 457 pie="no" 458;; 459gnu/kfreebsd) 460 bsd="yes" 461;; 462freebsd) 463 bsd="yes" 464 make="${MAKE-gmake}" 465 # needed for kinfo_getvmmap(3) in libutil.h 466;; 467dragonfly) 468 bsd="yes" 469 make="${MAKE-gmake}" 470;; 471netbsd) 472 bsd="yes" 473 make="${MAKE-gmake}" 474;; 475openbsd) 476 bsd="yes" 477 make="${MAKE-gmake}" 478;; 479darwin) 480 bsd="yes" 481 darwin="yes" 482 # Disable attempts to use ObjectiveC features in os/object.h since they 483 # won't work when we're compiling with gcc as a C compiler. 484 QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS" 485;; 486sunos) 487 solaris="yes" 488 make="${MAKE-gmake}" 489# needed for CMSG_ macros in sys/socket.h 490 QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS" 491# needed for TIOCWIN* defines in termios.h 492 QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS" 493;; 494haiku) 495 pie="no" 496 QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS -D_BSD_SOURCE -fPIC $QEMU_CFLAGS" 497;; 498linux) 499 linux="yes" 500;; 501esac 502 503if test ! -z "$cpu" ; then 504 # command line argument 505 : 506elif check_define __i386__ ; then 507 cpu="i386" 508elif check_define __x86_64__ ; then 509 if check_define __ILP32__ ; then 510 cpu="x32" 511 else 512 cpu="x86_64" 513 fi 514elif check_define __sparc__ ; then 515 if check_define __arch64__ ; then 516 cpu="sparc64" 517 else 518 cpu="sparc" 519 fi 520elif check_define _ARCH_PPC ; then 521 if check_define _ARCH_PPC64 ; then 522 if check_define _LITTLE_ENDIAN ; then 523 cpu="ppc64le" 524 else 525 cpu="ppc64" 526 fi 527 else 528 cpu="ppc" 529 fi 530elif check_define __mips__ ; then 531 cpu="mips" 532elif check_define __s390__ ; then 533 if check_define __s390x__ ; then 534 cpu="s390x" 535 else 536 cpu="s390" 537 fi 538elif check_define __riscv ; then 539 cpu="riscv" 540elif check_define __arm__ ; then 541 cpu="arm" 542elif check_define __aarch64__ ; then 543 cpu="aarch64" 544elif check_define __loongarch64 ; then 545 cpu="loongarch64" 546else 547 # Using uname is really broken, but it is just a fallback for architectures 548 # that are going to use TCI anyway 549 cpu=$(uname -m) 550 echo "WARNING: unrecognized host CPU, proceeding with 'uname -m' output '$cpu'" 551fi 552 553# Normalise host CPU name and set multilib cflags. The canonicalization 554# isn't really necessary, because the architectures that we check for 555# should not hit the 'uname -m' case, but better safe than sorry. 556# Note that this case should only have supported host CPUs, not guests. 557case "$cpu" in 558 armv*b|armv*l|arm) 559 cpu="arm" ;; 560 561 i386|i486|i586|i686) 562 cpu="i386" 563 CPU_CFLAGS="-m32" ;; 564 x32) 565 cpu="x86_64" 566 CPU_CFLAGS="-mx32" ;; 567 x86_64|amd64) 568 cpu="x86_64" 569 # ??? Only extremely old AMD cpus do not have cmpxchg16b. 570 # If we truly care, we should simply detect this case at 571 # runtime and generate the fallback to serial emulation. 572 CPU_CFLAGS="-m64 -mcx16" ;; 573 574 mips*) 575 cpu="mips" ;; 576 577 ppc) 578 CPU_CFLAGS="-m32" ;; 579 ppc64) 580 CPU_CFLAGS="-m64 -mbig-endian" ;; 581 ppc64le) 582 cpu="ppc64" 583 CPU_CFLAGS="-m64 -mlittle-endian" ;; 584 585 s390) 586 CPU_CFLAGS="-m31" ;; 587 s390x) 588 CPU_CFLAGS="-m64" ;; 589 590 sparc|sun4[cdmuv]) 591 cpu="sparc" 592 CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc" ;; 593 sparc64) 594 CPU_CFLAGS="-m64 -mcpu=ultrasparc" ;; 595esac 596 597: ${make=${MAKE-make}} 598 599 600check_py_version() { 601 # We require python >= 3.6. 602 # NB: a True python conditional creates a non-zero return code (Failure) 603 "$1" -c 'import sys; sys.exit(sys.version_info < (3,6))' 604} 605 606python= 607first_python= 608if test -z "${PYTHON}"; then 609 explicit_python=no 610 # A bare 'python' is traditionally python 2.x, but some distros 611 # have it as python 3.x, so check in both places. 612 for binary in python3 python python3.11 python3.10 python3.9 python3.8 python3.7 python3.6; do 613 if has "$binary"; then 614 python=$(command -v "$binary") 615 if check_py_version "$python"; then 616 # This one is good. 617 first_python= 618 break 619 else 620 first_python=$python 621 fi 622 fi 623 done 624else 625 # Same as above, but only check the environment variable. 626 has "${PYTHON}" || error_exit "The PYTHON environment variable does not point to an executable" 627 python=$(command -v "$PYTHON") 628 explicit_python=yes 629 if check_py_version "$python"; then 630 # This one is good. 631 first_python= 632 else 633 first_python=$first_python 634 fi 635fi 636 637# Check for ancillary tools used in testing 638genisoimage= 639for binary in genisoimage mkisofs 640do 641 if has $binary 642 then 643 genisoimage=$(command -v "$binary") 644 break 645 fi 646done 647 648# Default objcc to clang if available, otherwise use CC 649if has clang; then 650 objcc=clang 651else 652 objcc="$cc" 653fi 654 655if test "$mingw32" = "yes" ; then 656 EXESUF=".exe" 657 # MinGW needs -mthreads for TLS and macro _MT. 658 CONFIGURE_CFLAGS="-mthreads $CONFIGURE_CFLAGS" 659 prefix="/qemu" 660 bindir="" 661 qemu_suffix="" 662fi 663 664werror="" 665 666meson_option_build_array() { 667 printf '[' 668 (if test "$targetos" = windows; then 669 IFS=\; 670 else 671 IFS=: 672 fi 673 for e in $1; do 674 printf '"""' 675 # backslash escape any '\' and '"' characters 676 printf "%s" "$e" | sed -e 's/\([\"]\)/\\\1/g' 677 printf '""",' 678 done) 679 printf ']\n' 680} 681 682. "$source_path/scripts/meson-buildoptions.sh" 683 684meson_options= 685meson_option_add() { 686 meson_options="$meson_options $(quote_sh "$1")" 687} 688meson_option_parse() { 689 meson_options="$meson_options $(_meson_option_parse "$@")" 690 if test $? -eq 1; then 691 echo "ERROR: unknown option $1" 692 echo "Try '$0 --help' for more information" 693 exit 1 694 fi 695} 696 697for opt do 698 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 699 case "$opt" in 700 --help|-h) show_help=yes 701 ;; 702 --version|-V) exec cat "$source_path/VERSION" 703 ;; 704 --prefix=*) prefix="$optarg" 705 ;; 706 --cross-prefix=*) 707 ;; 708 --cc=*) 709 ;; 710 --host-cc=*) host_cc="$optarg" 711 ;; 712 --cxx=*) 713 ;; 714 --objcc=*) objcc="$optarg" 715 ;; 716 --make=*) make="$optarg" 717 ;; 718 --install=*) 719 ;; 720 --python=*) python="$optarg" ; explicit_python=yes 721 ;; 722 --skip-meson) skip_meson=yes 723 ;; 724 --meson=*) meson="$optarg" 725 ;; 726 --ninja=*) ninja="$optarg" 727 ;; 728 --smbd=*) smbd="$optarg" 729 ;; 730 --extra-cflags=*) 731 ;; 732 --extra-cxxflags=*) 733 ;; 734 --extra-objcflags=*) 735 ;; 736 --extra-ldflags=*) 737 ;; 738 --cross-cc-*) 739 ;; 740 --cross-prefix-*) 741 ;; 742 --enable-debug-info) meson_option_add -Ddebug=true 743 ;; 744 --disable-debug-info) meson_option_add -Ddebug=false 745 ;; 746 --enable-modules) 747 modules="yes" 748 ;; 749 --disable-modules) 750 modules="no" 751 ;; 752 --cpu=*) 753 ;; 754 --target-list=*) target_list="$optarg" 755 if test "$target_list_exclude"; then 756 error_exit "Can't mix --target-list with --target-list-exclude" 757 fi 758 ;; 759 --target-list-exclude=*) target_list_exclude="$optarg" 760 if test "$target_list"; then 761 error_exit "Can't mix --target-list-exclude with --target-list" 762 fi 763 ;; 764 --with-default-devices) meson_option_add -Ddefault_devices=true 765 ;; 766 --without-default-devices) meson_option_add -Ddefault_devices=false 767 ;; 768 --with-devices-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --with-devices-FOO option" 769 ;; 770 --with-devices-*) device_arch=${opt#--with-devices-}; 771 device_arch=${device_arch%%=*} 772 cf=$source_path/configs/devices/$device_arch-softmmu/$optarg.mak 773 if test -f "$cf"; then 774 device_archs="$device_archs $device_arch" 775 eval "devices_${device_arch}=\$optarg" 776 else 777 error_exit "File $cf does not exist" 778 fi 779 ;; 780 --without-default-features) # processed above 781 ;; 782 --static) 783 static="yes" 784 QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS" 785 ;; 786 --bindir=*) bindir="$optarg" 787 ;; 788 --with-suffix=*) qemu_suffix="$optarg" 789 ;; 790 --host=*|--build=*|\ 791 --disable-dependency-tracking|\ 792 --sbindir=*|--sharedstatedir=*|\ 793 --oldincludedir=*|--datarootdir=*|--infodir=*|\ 794 --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*) 795 # These switches are silently ignored, for compatibility with 796 # autoconf-generated configure scripts. This allows QEMU's 797 # configure to be used by RPM and similar macros that set 798 # lots of directory switches by default. 799 ;; 800 --enable-debug-tcg) debug_tcg="yes" 801 ;; 802 --disable-debug-tcg) debug_tcg="no" 803 ;; 804 --enable-debug) 805 # Enable debugging options that aren't excessively noisy 806 debug_tcg="yes" 807 meson_option_parse --enable-debug-mutex "" 808 meson_option_add -Doptimization=0 809 fortify_source="no" 810 ;; 811 --enable-sanitizers) sanitizers="yes" 812 ;; 813 --disable-sanitizers) sanitizers="no" 814 ;; 815 --enable-tsan) tsan="yes" 816 ;; 817 --disable-tsan) tsan="no" 818 ;; 819 --disable-tcg) tcg="disabled" 820 plugins="no" 821 ;; 822 --enable-tcg) tcg="enabled" 823 ;; 824 --disable-system) softmmu="no" 825 ;; 826 --enable-system) softmmu="yes" 827 ;; 828 --disable-user) 829 linux_user="no" ; 830 bsd_user="no" ; 831 ;; 832 --enable-user) ;; 833 --disable-linux-user) linux_user="no" 834 ;; 835 --enable-linux-user) linux_user="yes" 836 ;; 837 --disable-bsd-user) bsd_user="no" 838 ;; 839 --enable-bsd-user) bsd_user="yes" 840 ;; 841 --enable-pie) pie="yes" 842 ;; 843 --disable-pie) pie="no" 844 ;; 845 --enable-werror) werror="yes" 846 ;; 847 --disable-werror) werror="no" 848 ;; 849 --enable-stack-protector) stack_protector="yes" 850 ;; 851 --disable-stack-protector) stack_protector="no" 852 ;; 853 --enable-safe-stack) safe_stack="yes" 854 ;; 855 --disable-safe-stack) safe_stack="no" 856 ;; 857 --enable-cfi) 858 cfi="true"; 859 meson_option_add -Db_lto=true 860 ;; 861 --disable-cfi) cfi="false" 862 ;; 863 --disable-fdt) fdt="disabled" 864 ;; 865 --enable-fdt) fdt="enabled" 866 ;; 867 --enable-fdt=git) fdt="internal" 868 ;; 869 --enable-fdt=*) fdt="$optarg" 870 ;; 871 --with-coroutine=*) coroutine="$optarg" 872 ;; 873 --with-git=*) git="$optarg" 874 ;; 875 --with-git-submodules=*) 876 git_submodules_action="$optarg" 877 ;; 878 --enable-plugins) if test "$mingw32" = "yes"; then 879 error_exit "TCG plugins not currently supported on Windows platforms" 880 else 881 plugins="yes" 882 fi 883 ;; 884 --disable-plugins) plugins="no" 885 ;; 886 --enable-containers) use_containers="yes" 887 ;; 888 --disable-containers) use_containers="no" 889 ;; 890 --gdb=*) gdb_bin="$optarg" 891 ;; 892 --enable-vfio-user-server) vfio_user_server="enabled" 893 ;; 894 --disable-vfio-user-server) vfio_user_server="disabled" 895 ;; 896 # everything else has the same name in configure and meson 897 --*) meson_option_parse "$opt" "$optarg" 898 ;; 899 esac 900done 901 902# test for any invalid configuration combinations 903if test "$plugins" = "yes" -a "$tcg" = "disabled"; then 904 error_exit "Can't enable plugins on non-TCG builds" 905fi 906 907case $git_submodules_action in 908 update|validate) 909 if test ! -e "$source_path/.git"; then 910 echo "ERROR: cannot $git_submodules_action git submodules without .git" 911 exit 1 912 fi 913 ;; 914 ignore) 915 if ! test -f "$source_path/ui/keycodemapdb/README" 916 then 917 echo 918 echo "ERROR: missing GIT submodules" 919 echo 920 if test -e "$source_path/.git"; then 921 echo "--with-git-submodules=ignore specified but submodules were not" 922 echo "checked out. Please initialize and update submodules." 923 else 924 echo "This is not a GIT checkout but module content appears to" 925 echo "be missing. Do not use 'git archive' or GitHub download links" 926 echo "to acquire QEMU source archives. Non-GIT builds are only" 927 echo "supported with source archives linked from:" 928 echo 929 echo " https://www.qemu.org/download/#source" 930 echo 931 echo "Developers working with GIT can use scripts/archive-source.sh" 932 echo "if they need to create valid source archives." 933 fi 934 echo 935 exit 1 936 fi 937 ;; 938 *) 939 echo "ERROR: invalid --with-git-submodules= value '$git_submodules_action'" 940 exit 1 941 ;; 942esac 943 944default_target_list="" 945mak_wilds="" 946 947if [ "$linux_user" != no ]; then 948 if [ "$targetos" = linux ] && [ -d "$source_path/linux-user/include/host/$cpu" ]; then 949 linux_user=yes 950 elif [ "$linux_user" = yes ]; then 951 error_exit "linux-user not supported on this architecture" 952 fi 953fi 954if [ "$bsd_user" != no ]; then 955 if [ "$bsd_user" = "" ]; then 956 test $targetos = freebsd && bsd_user=yes 957 fi 958 if [ "$bsd_user" = yes ] && ! [ -d "$source_path/bsd-user/$targetos" ]; then 959 error_exit "bsd-user not supported on this host OS" 960 fi 961fi 962if [ "$softmmu" = "yes" ]; then 963 mak_wilds="${mak_wilds} $source_path/configs/targets/*-softmmu.mak" 964fi 965if [ "$linux_user" = "yes" ]; then 966 mak_wilds="${mak_wilds} $source_path/configs/targets/*-linux-user.mak" 967fi 968if [ "$bsd_user" = "yes" ]; then 969 mak_wilds="${mak_wilds} $source_path/configs/targets/*-bsd-user.mak" 970fi 971 972for config in $mak_wilds; do 973 target="$(basename "$config" .mak)" 974 if echo "$target_list_exclude" | grep -vq "$target"; then 975 default_target_list="${default_target_list} $target" 976 fi 977done 978 979if test x"$show_help" = x"yes" ; then 980cat << EOF 981 982Usage: configure [options] 983Options: [defaults in brackets after descriptions] 984 985Standard options: 986 --help print this message 987 --prefix=PREFIX install in PREFIX [$prefix] 988 --target-list=LIST set target list (default: build all) 989$(echo Available targets: $default_target_list | \ 990 fold -s -w 53 | sed -e 's/^/ /') 991 --target-list-exclude=LIST exclude a set of targets from the default target-list 992 993Advanced options (experts only): 994 --cross-prefix=PREFIX use PREFIX for compile tools, PREFIX can be blank [$cross_prefix] 995 --cc=CC use C compiler CC [$cc] 996 --host-cc=CC use C compiler CC [$host_cc] for code run at 997 build time 998 --cxx=CXX use C++ compiler CXX [$cxx] 999 --objcc=OBJCC use Objective-C compiler OBJCC [$objcc] 1000 --extra-cflags=CFLAGS append extra C compiler flags CFLAGS 1001 --extra-cxxflags=CXXFLAGS append extra C++ compiler flags CXXFLAGS 1002 --extra-objcflags=OBJCFLAGS append extra Objective C compiler flags OBJCFLAGS 1003 --extra-ldflags=LDFLAGS append extra linker flags LDFLAGS 1004 --cross-cc-ARCH=CC use compiler when building ARCH guest test cases 1005 --cross-cc-cflags-ARCH= use compiler flags when building ARCH guest tests 1006 --cross-prefix-ARCH=PREFIX cross compiler prefix when building ARCH guest test cases 1007 --make=MAKE use specified make [$make] 1008 --python=PYTHON use specified python [$python] 1009 --meson=MESON use specified meson [$meson] 1010 --ninja=NINJA use specified ninja [$ninja] 1011 --smbd=SMBD use specified smbd [$smbd] 1012 --with-git=GIT use specified git [$git] 1013 --with-git-submodules=update update git submodules (default if .git dir exists) 1014 --with-git-submodules=validate fail if git submodules are not up to date 1015 --with-git-submodules=ignore do not update or check git submodules (default if no .git dir) 1016 --static enable static build [$static] 1017 --bindir=PATH install binaries in PATH 1018 --with-suffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix] 1019 --without-default-features default all --enable-* options to "disabled" 1020 --without-default-devices do not include any device that is not needed to 1021 start the emulator (only use if you are including 1022 desired devices in configs/devices/) 1023 --with-devices-ARCH=NAME override default configs/devices 1024 --enable-debug enable common debug build options 1025 --enable-sanitizers enable default sanitizers 1026 --enable-tsan enable thread sanitizer 1027 --disable-werror disable compilation abort on warning 1028 --disable-stack-protector disable compiler-provided stack protection 1029 --cpu=CPU Build for host CPU [$cpu] 1030 --with-coroutine=BACKEND coroutine backend. Supported options: 1031 ucontext, sigaltstack, windows 1032 --enable-plugins 1033 enable plugins via shared library loading 1034 --disable-containers don't use containers for cross-building 1035 --gdb=GDB-path gdb to use for gdbstub tests [$gdb_bin] 1036EOF 1037 meson_options_help 1038cat << EOF 1039 system all system emulation targets 1040 user supported user emulation targets 1041 linux-user all linux usermode emulation targets 1042 bsd-user all BSD usermode emulation targets 1043 pie Position Independent Executables 1044 modules modules support (non-Windows) 1045 debug-tcg TCG debugging (default is disabled) 1046 debug-info debugging information 1047 safe-stack SafeStack Stack Smash Protection. Depends on 1048 clang/llvm and requires coroutine backend ucontext. 1049 1050NOTE: The object files are built at the place where configure is launched 1051EOF 1052exit 0 1053fi 1054 1055# Remove old dependency files to make sure that they get properly regenerated 1056rm -f ./*/config-devices.mak.d 1057 1058if test -z "$python" 1059then 1060 # If first_python is set, there was a binary somewhere even though 1061 # it was not suitable. Use it for the error message. 1062 if test -n "$first_python"; then 1063 error_exit "Cannot use '$first_python', Python >= 3.6 is required." \ 1064 "Use --python=/path/to/python to specify a supported Python." 1065 else 1066 error_exit "Python not found. Use --python=/path/to/python" 1067 fi 1068fi 1069 1070if ! has "$make" 1071then 1072 error_exit "GNU make ($make) not found" 1073fi 1074 1075if ! check_py_version "$python"; then 1076 error_exit "Cannot use '$python', Python >= 3.6 is required." \ 1077 "Use --python=/path/to/python to specify a supported Python." 1078fi 1079 1080# Resolve PATH + suppress writing compiled files 1081python="$(command -v "$python") -B" 1082 1083has_meson() { 1084 local python_dir=$(dirname "$python") 1085 # PEP405: pyvenv.cfg is either adjacent to the Python executable 1086 # or one directory above 1087 if test -f $python_dir/pyvenv.cfg || test -f $python_dir/../pyvenv.cfg; then 1088 # Ensure that Meson and Python come from the same virtual environment 1089 test -x "$python_dir/meson" && 1090 test "$(command -v meson)" -ef "$python_dir/meson" 1091 else 1092 has meson 1093 fi 1094} 1095 1096if test -z "$meson"; then 1097 if test "$explicit_python" = no && has_meson && version_ge "$(meson --version)" 0.61.5; then 1098 meson=meson 1099 elif test "$git_submodules_action" != 'ignore' ; then 1100 meson=git 1101 elif test -e "${source_path}/meson/meson.py" ; then 1102 meson=internal 1103 else 1104 if test "$explicit_python" = yes; then 1105 error_exit "--python requires using QEMU's embedded Meson distribution, but it was not found." 1106 else 1107 error_exit "Meson not found. Use --meson=/path/to/meson" 1108 fi 1109 fi 1110else 1111 # Meson uses its own Python interpreter to invoke other Python scripts, 1112 # but the user wants to use the one they specified with --python. 1113 # 1114 # We do not want to override the distro Python interpreter (and sometimes 1115 # cannot: for example in Homebrew /usr/bin/meson is a bash script), so 1116 # just require --meson=git|internal together with --python. 1117 if test "$explicit_python" = yes; then 1118 case "$meson" in 1119 git | internal) ;; 1120 *) error_exit "--python requires using QEMU's embedded Meson distribution." ;; 1121 esac 1122 fi 1123fi 1124 1125if test "$meson" = git; then 1126 git_submodules="${git_submodules} meson" 1127fi 1128 1129case "$meson" in 1130 git | internal) 1131 meson="$python ${source_path}/meson/meson.py" 1132 ;; 1133 *) meson=$(command -v "$meson") ;; 1134esac 1135 1136# Probe for ninja 1137 1138if test -z "$ninja"; then 1139 for c in ninja ninja-build samu; do 1140 if has $c; then 1141 ninja=$(command -v "$c") 1142 break 1143 fi 1144 done 1145 if test -z "$ninja"; then 1146 error_exit "Cannot find Ninja" 1147 fi 1148fi 1149 1150# Check that the C compiler works. Doing this here before testing 1151# the host CPU ensures that we had a valid CC to autodetect the 1152# $cpu var (and we should bail right here if that's not the case). 1153# It also allows the help message to be printed without a CC. 1154write_c_skeleton; 1155if compile_object ; then 1156 : C compiler works ok 1157else 1158 error_exit "\"$cc\" either does not exist or does not work" 1159fi 1160if ! compile_prog ; then 1161 error_exit "\"$cc\" cannot build an executable (is your linker broken?)" 1162fi 1163 1164# Consult white-list to determine whether to enable werror 1165# by default. Only enable by default for git builds 1166if test -z "$werror" ; then 1167 if test "$git_submodules_action" != "ignore" && \ 1168 { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then 1169 werror="yes" 1170 else 1171 werror="no" 1172 fi 1173fi 1174 1175if test "$targetos" = "bogus"; then 1176 # Now that we know that we're not printing the help and that 1177 # the compiler works (so the results of the check_defines we used 1178 # to identify the OS are reliable), if we didn't recognize the 1179 # host OS we should stop now. 1180 error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')" 1181fi 1182 1183# Check whether the compiler matches our minimum requirements: 1184cat > $TMPC << EOF 1185#if defined(__clang_major__) && defined(__clang_minor__) 1186# ifdef __apple_build_version__ 1187# if __clang_major__ < 12 || (__clang_major__ == 12 && __clang_minor__ < 0) 1188# error You need at least XCode Clang v12.0 to compile QEMU 1189# endif 1190# else 1191# if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0) 1192# error You need at least Clang v10.0 to compile QEMU 1193# endif 1194# endif 1195#elif defined(__GNUC__) && defined(__GNUC_MINOR__) 1196# if __GNUC__ < 7 || (__GNUC__ == 7 && __GNUC_MINOR__ < 4) 1197# error You need at least GCC v7.4.0 to compile QEMU 1198# endif 1199#else 1200# error You either need GCC or Clang to compiler QEMU 1201#endif 1202int main (void) { return 0; } 1203EOF 1204if ! compile_prog "" "" ; then 1205 error_exit "You need at least GCC v7.4 or Clang v10.0 (or XCode Clang v12.0)" 1206fi 1207 1208# Accumulate -Wfoo and -Wno-bar separately. 1209# We will list all of the enable flags first, and the disable flags second. 1210# Note that we do not add -Werror, because that would enable it for all 1211# configure tests. If a configure test failed due to -Werror this would 1212# just silently disable some features, so it's too error prone. 1213 1214warn_flags= 1215add_to warn_flags -Wundef 1216add_to warn_flags -Wwrite-strings 1217add_to warn_flags -Wmissing-prototypes 1218add_to warn_flags -Wstrict-prototypes 1219add_to warn_flags -Wredundant-decls 1220add_to warn_flags -Wold-style-declaration 1221add_to warn_flags -Wold-style-definition 1222add_to warn_flags -Wtype-limits 1223add_to warn_flags -Wformat-security 1224add_to warn_flags -Wformat-y2k 1225add_to warn_flags -Winit-self 1226add_to warn_flags -Wignored-qualifiers 1227add_to warn_flags -Wempty-body 1228add_to warn_flags -Wnested-externs 1229add_to warn_flags -Wendif-labels 1230add_to warn_flags -Wexpansion-to-defined 1231add_to warn_flags -Wimplicit-fallthrough=2 1232add_to warn_flags -Wmissing-format-attribute 1233add_to warn_flags -Wthread-safety 1234 1235nowarn_flags= 1236add_to nowarn_flags -Wno-initializer-overrides 1237add_to nowarn_flags -Wno-missing-include-dirs 1238add_to nowarn_flags -Wno-shift-negative-value 1239add_to nowarn_flags -Wno-string-plus-int 1240add_to nowarn_flags -Wno-typedef-redefinition 1241add_to nowarn_flags -Wno-tautological-type-limit-compare 1242add_to nowarn_flags -Wno-psabi 1243add_to nowarn_flags -Wno-gnu-variable-sized-type-not-at-end 1244 1245gcc_flags="$warn_flags $nowarn_flags" 1246 1247cc_has_warning_flag() { 1248 write_c_skeleton; 1249 1250 # Use the positive sense of the flag when testing for -Wno-wombat 1251 # support (gcc will happily accept the -Wno- form of unknown 1252 # warning options). 1253 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')" 1254 compile_prog "-Werror $optflag" "" 1255} 1256 1257objcc_has_warning_flag() { 1258 cat > $TMPM <<EOF 1259int main(void) { return 0; } 1260EOF 1261 1262 # Use the positive sense of the flag when testing for -Wno-wombat 1263 # support (gcc will happily accept the -Wno- form of unknown 1264 # warning options). 1265 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')" 1266 do_objc -Werror $optflag \ 1267 $OBJCFLAGS $EXTRA_OBJCFLAGS $CONFIGURE_OBJCFLAGS $QEMU_OBJCFLAGS \ 1268 -o $TMPE $TMPM $QEMU_LDFLAGS 1269} 1270 1271for flag in $gcc_flags; do 1272 if cc_has_warning_flag $flag ; then 1273 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1274 fi 1275 if objcc_has_warning_flag $flag ; then 1276 QEMU_OBJCFLAGS="$QEMU_OBJCFLAGS $flag" 1277 fi 1278done 1279 1280if test "$stack_protector" != "no"; then 1281 cat > $TMPC << EOF 1282int main(int argc, char *argv[]) 1283{ 1284 char arr[64], *p = arr, *c = argv[argc - 1]; 1285 while (*c) { 1286 *p++ = *c++; 1287 } 1288 return 0; 1289} 1290EOF 1291 gcc_flags="-fstack-protector-strong -fstack-protector-all" 1292 sp_on=0 1293 for flag in $gcc_flags; do 1294 # We need to check both a compile and a link, since some compiler 1295 # setups fail only on a .c->.o compile and some only at link time 1296 if compile_object "-Werror $flag" && 1297 compile_prog "-Werror $flag" ""; then 1298 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1299 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 1300 sp_on=1 1301 break 1302 fi 1303 done 1304 if test "$stack_protector" = yes; then 1305 if test $sp_on = 0; then 1306 error_exit "Stack protector not supported" 1307 fi 1308 fi 1309fi 1310 1311# Our module code doesn't support Windows 1312if test "$modules" = "yes" && test "$mingw32" = "yes" ; then 1313 error_exit "Modules are not available for Windows" 1314fi 1315 1316# Static linking is not possible with plugins, modules or PIE 1317if test "$static" = "yes" ; then 1318 if test "$modules" = "yes" ; then 1319 error_exit "static and modules are mutually incompatible" 1320 fi 1321 if test "$plugins" = "yes"; then 1322 error_exit "static and plugins are mutually incompatible" 1323 else 1324 plugins="no" 1325 fi 1326fi 1327test "$plugins" = "" && plugins=yes 1328 1329cat > $TMPC << EOF 1330 1331#ifdef __linux__ 1332# define THREAD __thread 1333#else 1334# define THREAD 1335#endif 1336static THREAD int tls_var; 1337int main(void) { return tls_var; } 1338EOF 1339 1340# Meson currently only handles pie as a boolean for now so if we have 1341# explicitly disabled PIE we need to extend our cflags because it wont. 1342if test "$static" = "yes"; then 1343 if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then 1344 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS" 1345 pie="yes" 1346 elif test "$pie" = "yes"; then 1347 error_exit "-static-pie not available due to missing toolchain support" 1348 else 1349 pie="no" 1350 QEMU_CFLAGS="-fno-pie -no-pie $QEMU_CFLAGS" 1351 fi 1352elif test "$pie" = "no"; then 1353 if compile_prog "-Werror -fno-pie" "-no-pie"; then 1354 CONFIGURE_CFLAGS="-fno-pie $CONFIGURE_CFLAGS" 1355 CONFIGURE_LDFLAGS="-no-pie $CONFIGURE_LDFLAGS" 1356 QEMU_CFLAGS="-fno-pie -no-pie $QEMU_CFLAGS" 1357 fi 1358elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then 1359 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS" 1360 CONFIGURE_LDFLAGS="-pie $CONFIGURE_LDFLAGS" 1361 pie="yes" 1362elif test "$pie" = "yes"; then 1363 error_exit "PIE not available due to missing toolchain support" 1364else 1365 echo "Disabling PIE due to missing toolchain support" 1366 pie="no" 1367fi 1368 1369########################################## 1370# __sync_fetch_and_and requires at least -march=i486. Many toolchains 1371# use i686 as default anyway, but for those that don't, an explicit 1372# specification is necessary 1373 1374if test "$cpu" = "i386"; then 1375 cat > $TMPC << EOF 1376static int sfaa(int *ptr) 1377{ 1378 return __sync_fetch_and_and(ptr, 0); 1379} 1380 1381int main(void) 1382{ 1383 int val = 42; 1384 val = __sync_val_compare_and_swap(&val, 0, 1); 1385 sfaa(&val); 1386 return val; 1387} 1388EOF 1389 if ! compile_prog "" "" ; then 1390 QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS" 1391 fi 1392fi 1393 1394if test -z "${target_list+xxx}" ; then 1395 default_targets=yes 1396 for target in $default_target_list; do 1397 target_list="$target_list $target" 1398 done 1399 target_list="${target_list# }" 1400else 1401 default_targets=no 1402 target_list=$(echo "$target_list" | sed -e 's/,/ /g') 1403 for target in $target_list; do 1404 # Check that we recognised the target name; this allows a more 1405 # friendly error message than if we let it fall through. 1406 case " $default_target_list " in 1407 *" $target "*) 1408 ;; 1409 *) 1410 error_exit "Unknown target name '$target'" 1411 ;; 1412 esac 1413 done 1414fi 1415 1416# see if system emulation was really requested 1417case " $target_list " in 1418 *"-softmmu "*) softmmu=yes 1419 ;; 1420 *) softmmu=no 1421 ;; 1422esac 1423 1424if test "$tcg" = "auto"; then 1425 if test -z "$target_list"; then 1426 tcg="disabled" 1427 else 1428 tcg="enabled" 1429 fi 1430fi 1431 1432if test "$tcg" = "enabled"; then 1433 git_submodules="$git_submodules tests/fp/berkeley-testfloat-3" 1434 git_submodules="$git_submodules tests/fp/berkeley-softfloat-3" 1435fi 1436 1437########################################## 1438# big/little endian test 1439cat > $TMPC << EOF 1440#if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ 1441# error LITTLE 1442#endif 1443int main(void) { return 0; } 1444EOF 1445 1446if ! compile_prog ; then 1447 bigendian="no" 1448else 1449 cat > $TMPC << EOF 1450#if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ 1451# error BIG 1452#endif 1453int main(void) { return 0; } 1454EOF 1455 1456 if ! compile_prog ; then 1457 bigendian="yes" 1458 else 1459 echo big/little test failed 1460 exit 1 1461 fi 1462fi 1463 1464########################################## 1465# pkg-config probe 1466 1467if ! has "$pkg_config_exe"; then 1468 error_exit "pkg-config binary '$pkg_config_exe' not found" 1469fi 1470 1471########################################## 1472# glib support probe 1473 1474# When bumping glib_req_ver, please check also whether we should increase 1475# the _WIN32_WINNT setting in osdep.h according to the value from glib 1476glib_req_ver=2.56 1477glib_modules=gthread-2.0 1478if test "$modules" = yes; then 1479 glib_modules="$glib_modules gmodule-export-2.0" 1480elif test "$plugins" = "yes"; then 1481 glib_modules="$glib_modules gmodule-no-export-2.0" 1482fi 1483 1484for i in $glib_modules; do 1485 if $pkg_config --atleast-version=$glib_req_ver $i; then 1486 glib_cflags=$($pkg_config --cflags $i) 1487 glib_libs=$($pkg_config --libs $i) 1488 else 1489 error_exit "glib-$glib_req_ver $i is required to compile QEMU" 1490 fi 1491done 1492 1493glib_bindir="$($pkg_config --variable=bindir glib-2.0)" 1494if test -z "$glib_bindir" ; then 1495 glib_bindir="$($pkg_config --variable=prefix glib-2.0)"/bin 1496fi 1497 1498# This workaround is required due to a bug in pkg-config file for glib as it 1499# doesn't define GLIB_STATIC_COMPILATION for pkg-config --static 1500 1501if test "$static" = yes && test "$mingw32" = yes; then 1502 glib_cflags="-DGLIB_STATIC_COMPILATION $glib_cflags" 1503fi 1504 1505# Sanity check that the current size_t matches the 1506# size that glib thinks it should be. This catches 1507# problems on multi-arch where people try to build 1508# 32-bit QEMU while pointing at 64-bit glib headers 1509cat > $TMPC <<EOF 1510#include <glib.h> 1511#include <unistd.h> 1512 1513#define QEMU_BUILD_BUG_ON(x) \ 1514 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused)); 1515 1516int main(void) { 1517 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T); 1518 return 0; 1519} 1520EOF 1521 1522if ! compile_prog "$glib_cflags" "$glib_libs" ; then 1523 error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\ 1524 "You probably need to set PKG_CONFIG_LIBDIR"\ 1525 "to point to the right pkg-config files for your"\ 1526 "build target" 1527fi 1528 1529# Silence clang warnings triggered by glib < 2.57.2 1530cat > $TMPC << EOF 1531#include <glib.h> 1532typedef struct Foo { 1533 int i; 1534} Foo; 1535static void foo_free(Foo *f) 1536{ 1537 g_free(f); 1538} 1539G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free) 1540int main(void) { return 0; } 1541EOF 1542if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then 1543 if cc_has_warning_flag "-Wno-unused-function"; then 1544 glib_cflags="$glib_cflags -Wno-unused-function" 1545 CONFIGURE_CFLAGS="$CONFIGURE_CFLAGS -Wno-unused-function" 1546 fi 1547fi 1548 1549########################################## 1550# fdt probe 1551 1552case "$fdt" in 1553 auto | enabled | internal) 1554 # Simpler to always update submodule, even if not needed. 1555 git_submodules="${git_submodules} dtc" 1556 ;; 1557esac 1558 1559########################################## 1560# check and set a backend for coroutine 1561 1562# We prefer ucontext, but it's not always possible. The fallback 1563# is sigcontext. On Windows the only valid backend is the Windows 1564# specific one. 1565 1566ucontext_works=no 1567if test "$darwin" != "yes"; then 1568 cat > $TMPC << EOF 1569#include <ucontext.h> 1570#ifdef __stub_makecontext 1571#error Ignoring glibc stub makecontext which will always fail 1572#endif 1573int main(void) { makecontext(0, 0, 0); return 0; } 1574EOF 1575 if compile_prog "" "" ; then 1576 ucontext_works=yes 1577 fi 1578fi 1579 1580if test "$coroutine" = ""; then 1581 if test "$mingw32" = "yes"; then 1582 coroutine=win32 1583 elif test "$ucontext_works" = "yes"; then 1584 coroutine=ucontext 1585 else 1586 coroutine=sigaltstack 1587 fi 1588else 1589 case $coroutine in 1590 windows) 1591 if test "$mingw32" != "yes"; then 1592 error_exit "'windows' coroutine backend only valid for Windows" 1593 fi 1594 # Unfortunately the user visible backend name doesn't match the 1595 # coroutine-*.c filename for this case, so we have to adjust it here. 1596 coroutine=win32 1597 ;; 1598 ucontext) 1599 if test "$ucontext_works" != "yes"; then 1600 error_exit "'ucontext' backend requested but makecontext not available" 1601 fi 1602 ;; 1603 sigaltstack) 1604 if test "$mingw32" = "yes"; then 1605 error_exit "only the 'windows' coroutine backend is valid for Windows" 1606 fi 1607 ;; 1608 *) 1609 error_exit "unknown coroutine backend $coroutine" 1610 ;; 1611 esac 1612fi 1613 1614################################################## 1615# SafeStack 1616 1617 1618if test "$safe_stack" = "yes"; then 1619cat > $TMPC << EOF 1620int main(void) 1621{ 1622#if ! __has_feature(safe_stack) 1623#error SafeStack Disabled 1624#endif 1625 return 0; 1626} 1627EOF 1628 flag="-fsanitize=safe-stack" 1629 # Check that safe-stack is supported and enabled. 1630 if compile_prog "-Werror $flag" "$flag"; then 1631 # Flag needed both at compilation and at linking 1632 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1633 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 1634 else 1635 error_exit "SafeStack not supported by your compiler" 1636 fi 1637 if test "$coroutine" != "ucontext"; then 1638 error_exit "SafeStack is only supported by the coroutine backend ucontext" 1639 fi 1640else 1641cat > $TMPC << EOF 1642int main(void) 1643{ 1644#if defined(__has_feature) 1645#if __has_feature(safe_stack) 1646#error SafeStack Enabled 1647#endif 1648#endif 1649 return 0; 1650} 1651EOF 1652if test "$safe_stack" = "no"; then 1653 # Make sure that safe-stack is disabled 1654 if ! compile_prog "-Werror" ""; then 1655 # SafeStack was already enabled, try to explicitly remove the feature 1656 flag="-fno-sanitize=safe-stack" 1657 if ! compile_prog "-Werror $flag" "$flag"; then 1658 error_exit "Configure cannot disable SafeStack" 1659 fi 1660 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1661 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 1662 fi 1663else # "$safe_stack" = "" 1664 # Set safe_stack to yes or no based on pre-existing flags 1665 if compile_prog "-Werror" ""; then 1666 safe_stack="no" 1667 else 1668 safe_stack="yes" 1669 if test "$coroutine" != "ucontext"; then 1670 error_exit "SafeStack is only supported by the coroutine backend ucontext" 1671 fi 1672 fi 1673fi 1674fi 1675 1676######################################## 1677# check if ccache is interfering with 1678# semantic analysis of macros 1679 1680unset CCACHE_CPP2 1681ccache_cpp2=no 1682cat > $TMPC << EOF 1683static const int Z = 1; 1684#define fn() ({ Z; }) 1685#define TAUT(X) ((X) == Z) 1686#define PAREN(X, Y) (X == Y) 1687#define ID(X) (X) 1688int main(void) 1689{ 1690 int x = 0, y = 0; 1691 x = ID(x); 1692 x = fn(); 1693 fn(); 1694 if (PAREN(x, y)) return 0; 1695 if (TAUT(Z)) return 0; 1696 return 0; 1697} 1698EOF 1699 1700if ! compile_object "-Werror"; then 1701 ccache_cpp2=yes 1702fi 1703 1704################################################# 1705# clang does not support glibc + FORTIFY_SOURCE. 1706 1707if test "$fortify_source" != "no"; then 1708 if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then 1709 fortify_source="no"; 1710 elif test -n "$cxx" && has $cxx && 1711 echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then 1712 fortify_source="no"; 1713 else 1714 fortify_source="yes" 1715 fi 1716fi 1717 1718########################################## 1719# checks for sanitizers 1720 1721have_asan=no 1722have_ubsan=no 1723have_asan_iface_h=no 1724have_asan_iface_fiber=no 1725 1726if test "$sanitizers" = "yes" ; then 1727 write_c_skeleton 1728 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then 1729 have_asan=yes 1730 fi 1731 1732 # we could use a simple skeleton for flags checks, but this also 1733 # detect the static linking issue of ubsan, see also: 1734 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285 1735 cat > $TMPC << EOF 1736#include <stdlib.h> 1737int main(void) { 1738 void *tmp = malloc(10); 1739 if (tmp != NULL) { 1740 return *(int *)(tmp + 2); 1741 } 1742 return 1; 1743} 1744EOF 1745 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then 1746 have_ubsan=yes 1747 fi 1748 1749 if check_include "sanitizer/asan_interface.h" ; then 1750 have_asan_iface_h=yes 1751 fi 1752 1753 cat > $TMPC << EOF 1754#include <sanitizer/asan_interface.h> 1755int main(void) { 1756 __sanitizer_start_switch_fiber(0, 0, 0); 1757 return 0; 1758} 1759EOF 1760 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then 1761 have_asan_iface_fiber=yes 1762 fi 1763fi 1764 1765# Thread sanitizer is, for now, much noisier than the other sanitizers; 1766# keep it separate until that is not the case. 1767if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then 1768 error_exit "TSAN is not supported with other sanitiziers." 1769fi 1770have_tsan=no 1771have_tsan_iface_fiber=no 1772if test "$tsan" = "yes" ; then 1773 write_c_skeleton 1774 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then 1775 have_tsan=yes 1776 fi 1777 cat > $TMPC << EOF 1778#include <sanitizer/tsan_interface.h> 1779int main(void) { 1780 __tsan_create_fiber(0); 1781 return 0; 1782} 1783EOF 1784 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then 1785 have_tsan_iface_fiber=yes 1786 fi 1787fi 1788 1789########################################## 1790# functions to probe cross compilers 1791 1792container="no" 1793if test $use_containers = "yes" && (has "docker" || has "podman"); then 1794 case $($python "$source_path"/tests/docker/docker.py probe) in 1795 *docker) container=docker ;; 1796 podman) container=podman ;; 1797 no) container=no ;; 1798 esac 1799 if test "$container" != "no"; then 1800 docker_py="$python $source_path/tests/docker/docker.py --engine $container" 1801 fi 1802fi 1803 1804# cross compilers defaults, can be overridden with --cross-cc-ARCH 1805: ${cross_prefix_aarch64="aarch64-linux-gnu-"} 1806: ${cross_prefix_aarch64_be="$cross_prefix_aarch64"} 1807: ${cross_prefix_alpha="alpha-linux-gnu-"} 1808: ${cross_prefix_arm="arm-linux-gnueabihf-"} 1809: ${cross_prefix_armeb="$cross_prefix_arm"} 1810: ${cross_prefix_hexagon="hexagon-unknown-linux-musl-"} 1811: ${cross_prefix_loongarch64="loongarch64-unknown-linux-gnu-"} 1812: ${cross_prefix_hppa="hppa-linux-gnu-"} 1813: ${cross_prefix_i386="i686-linux-gnu-"} 1814: ${cross_prefix_m68k="m68k-linux-gnu-"} 1815: ${cross_prefix_microblaze="microblaze-linux-musl-"} 1816: ${cross_prefix_mips64el="mips64el-linux-gnuabi64-"} 1817: ${cross_prefix_mips64="mips64-linux-gnuabi64-"} 1818: ${cross_prefix_mipsel="mipsel-linux-gnu-"} 1819: ${cross_prefix_mips="mips-linux-gnu-"} 1820: ${cross_prefix_nios2="nios2-linux-gnu-"} 1821: ${cross_prefix_ppc="powerpc-linux-gnu-"} 1822: ${cross_prefix_ppc64="powerpc64-linux-gnu-"} 1823: ${cross_prefix_ppc64le="$cross_prefix_ppc64"} 1824: ${cross_prefix_riscv64="riscv64-linux-gnu-"} 1825: ${cross_prefix_s390x="s390x-linux-gnu-"} 1826: ${cross_prefix_sh4="sh4-linux-gnu-"} 1827: ${cross_prefix_sparc64="sparc64-linux-gnu-"} 1828: ${cross_prefix_sparc="$cross_prefix_sparc64"} 1829: ${cross_prefix_x86_64="x86_64-linux-gnu-"} 1830 1831: ${cross_cc_aarch64_be="$cross_cc_aarch64"} 1832: ${cross_cc_cflags_aarch64_be="-mbig-endian"} 1833: ${cross_cc_armeb="$cross_cc_arm"} 1834: ${cross_cc_cflags_armeb="-mbig-endian"} 1835: ${cross_cc_hexagon="hexagon-unknown-linux-musl-clang"} 1836: ${cross_cc_cflags_hexagon="-mv67 -O2 -static"} 1837: ${cross_cc_cflags_i386="-m32"} 1838: ${cross_cc_cflags_ppc="-m32 -mbig-endian"} 1839: ${cross_cc_cflags_ppc64="-m64 -mbig-endian"} 1840: ${cross_cc_ppc64le="$cross_cc_ppc64"} 1841: ${cross_cc_cflags_ppc64le="-m64 -mlittle-endian"} 1842: ${cross_cc_cflags_sparc64="-m64 -mcpu=ultrasparc"} 1843: ${cross_cc_sparc="$cross_cc_sparc64"} 1844: ${cross_cc_cflags_sparc="-m32 -mcpu=supersparc"} 1845: ${cross_cc_cflags_x86_64="-m64"} 1846 1847compute_target_variable() { 1848 eval "$2=" 1849 if eval test -n "\"\${cross_prefix_$1}\""; then 1850 if eval has "\"\${cross_prefix_$1}\$3\""; then 1851 eval "$2=\"\${cross_prefix_$1}\$3\"" 1852 fi 1853 fi 1854} 1855 1856have_target() { 1857 for i; do 1858 case " $target_list " in 1859 *" $i "*) return 0;; 1860 *) ;; 1861 esac 1862 done 1863 return 1 1864} 1865 1866# probe_target_compiler TARGET 1867# 1868# Look for a compiler for the given target, either native or cross. 1869# Set variables target_* if a compiler is found, and container_cross_* 1870# if a Docker-based cross-compiler image is known for the target. 1871# Set got_cross_cc to yes/no depending on whether a non-container-based 1872# compiler was found. 1873# 1874# If TARGET is a user-mode emulation target, also set build_static to 1875# "y" if static linking is possible. 1876# 1877probe_target_compiler() { 1878 # reset all output variables 1879 got_cross_cc=no 1880 container_image= 1881 container_hosts= 1882 container_cross_cc= 1883 container_cross_ar= 1884 container_cross_as= 1885 container_cross_ld= 1886 container_cross_nm= 1887 container_cross_objcopy= 1888 container_cross_ranlib= 1889 container_cross_strip= 1890 1891 # We shall skip configuring the target compiler if the user didn't 1892 # bother enabling an appropriate guest. This avoids building 1893 # extraneous firmware images and tests. 1894 if test "${target_list#*$1}" = "$1"; then 1895 return 1 1896 fi 1897 1898 target_arch=${1%%-*} 1899 case $target_arch in 1900 aarch64) container_hosts="x86_64 aarch64" ;; 1901 alpha) container_hosts=x86_64 ;; 1902 arm) container_hosts="x86_64 aarch64" ;; 1903 cris) container_hosts=x86_64 ;; 1904 hexagon) container_hosts=x86_64 ;; 1905 hppa) container_hosts=x86_64 ;; 1906 i386) container_hosts=x86_64 ;; 1907 loongarch64) container_hosts=x86_64 ;; 1908 m68k) container_hosts=x86_64 ;; 1909 microblaze) container_hosts=x86_64 ;; 1910 mips64el) container_hosts=x86_64 ;; 1911 mips64) container_hosts=x86_64 ;; 1912 mipsel) container_hosts=x86_64 ;; 1913 mips) container_hosts=x86_64 ;; 1914 nios2) container_hosts=x86_64 ;; 1915 ppc) container_hosts=x86_64 ;; 1916 ppc64|ppc64le) container_hosts=x86_64 ;; 1917 riscv64) container_hosts=x86_64 ;; 1918 s390x) container_hosts=x86_64 ;; 1919 sh4) container_hosts=x86_64 ;; 1920 sparc64) container_hosts=x86_64 ;; 1921 tricore) container_hosts=x86_64 ;; 1922 x86_64) container_hosts="aarch64 ppc64el x86_64" ;; 1923 xtensa*) container_hosts=x86_64 ;; 1924 esac 1925 1926 for host in $container_hosts; do 1927 test "$container" != no || continue 1928 test "$host" = "$cpu" || continue 1929 case $target_arch in 1930 aarch64) 1931 # We don't have any bigendian build tools so we only use this for AArch64 1932 container_image=debian-arm64-cross 1933 container_cross_prefix=aarch64-linux-gnu- 1934 container_cross_cc=${container_cross_prefix}gcc-10 1935 ;; 1936 alpha) 1937 container_image=debian-alpha-cross 1938 container_cross_prefix=alpha-linux-gnu- 1939 ;; 1940 arm) 1941 # We don't have any bigendian build tools so we only use this for ARM 1942 container_image=debian-armhf-cross 1943 container_cross_prefix=arm-linux-gnueabihf- 1944 ;; 1945 cris) 1946 container_image=fedora-cris-cross 1947 container_cross_prefix=cris-linux-gnu- 1948 ;; 1949 hexagon) 1950 container_image=debian-hexagon-cross 1951 container_cross_prefix=hexagon-unknown-linux-musl- 1952 container_cross_cc=${container_cross_prefix}clang 1953 ;; 1954 hppa) 1955 container_image=debian-hppa-cross 1956 container_cross_prefix=hppa-linux-gnu- 1957 ;; 1958 i386) 1959 container_image=fedora-i386-cross 1960 container_cross_prefix= 1961 ;; 1962 loongarch64) 1963 container_image=debian-loongarch-cross 1964 container_cross_prefix=loongarch64-unknown-linux-gnu- 1965 ;; 1966 m68k) 1967 container_image=debian-m68k-cross 1968 container_cross_prefix=m68k-linux-gnu- 1969 ;; 1970 microblaze) 1971 container_image=debian-microblaze-cross 1972 container_cross_prefix=microblaze-linux-musl- 1973 ;; 1974 mips64el) 1975 container_image=debian-mips64el-cross 1976 container_cross_prefix=mips64el-linux-gnuabi64- 1977 ;; 1978 mips64) 1979 container_image=debian-mips64-cross 1980 container_cross_prefix=mips64-linux-gnuabi64- 1981 ;; 1982 mipsel) 1983 container_image=debian-mipsel-cross 1984 container_cross_prefix=mipsel-linux-gnu- 1985 ;; 1986 mips) 1987 container_image=debian-mips-cross 1988 container_cross_prefix=mips-linux-gnu- 1989 ;; 1990 nios2) 1991 container_image=debian-nios2-cross 1992 container_cross_prefix=nios2-linux-gnu- 1993 ;; 1994 ppc) 1995 container_image=debian-powerpc-test-cross 1996 container_cross_prefix=powerpc-linux-gnu- 1997 container_cross_cc=${container_cross_prefix}gcc-10 1998 ;; 1999 ppc64|ppc64le) 2000 container_image=debian-powerpc-test-cross 2001 container_cross_prefix=powerpc${target_arch#ppc}-linux-gnu- 2002 container_cross_cc=${container_cross_prefix}gcc-10 2003 ;; 2004 riscv64) 2005 container_image=debian-riscv64-test-cross 2006 container_cross_prefix=riscv64-linux-gnu- 2007 ;; 2008 s390x) 2009 container_image=debian-s390x-cross 2010 container_cross_prefix=s390x-linux-gnu- 2011 ;; 2012 sh4) 2013 container_image=debian-sh4-cross 2014 container_cross_prefix=sh4-linux-gnu- 2015 ;; 2016 sparc64) 2017 container_image=debian-sparc64-cross 2018 container_cross_prefix=sparc64-linux-gnu- 2019 ;; 2020 tricore) 2021 container_image=debian-tricore-cross 2022 container_cross_prefix=tricore- 2023 container_cross_as=tricore-as 2024 container_cross_ld=tricore-ld 2025 break 2026 ;; 2027 x86_64) 2028 container_image=debian-amd64-cross 2029 container_cross_prefix=x86_64-linux-gnu- 2030 ;; 2031 xtensa*) 2032 container_hosts=x86_64 2033 container_image=debian-xtensa-cross 2034 2035 # default to the dc232b cpu 2036 container_cross_prefix=/opt/2020.07/xtensa-dc232b-elf/bin/xtensa-dc232b-elf- 2037 ;; 2038 esac 2039 : ${container_cross_cc:=${container_cross_prefix}gcc} 2040 : ${container_cross_ar:=${container_cross_prefix}ar} 2041 : ${container_cross_as:=${container_cross_prefix}as} 2042 : ${container_cross_ld:=${container_cross_prefix}ld} 2043 : ${container_cross_nm:=${container_cross_prefix}nm} 2044 : ${container_cross_objcopy:=${container_cross_prefix}objcopy} 2045 : ${container_cross_ranlib:=${container_cross_prefix}ranlib} 2046 : ${container_cross_strip:=${container_cross_prefix}strip} 2047 done 2048 2049 try=cross 2050 case "$target_arch:$cpu" in 2051 aarch64_be:aarch64 | \ 2052 armeb:arm | \ 2053 i386:x86_64 | \ 2054 mips*:mips64 | \ 2055 ppc*:ppc64 | \ 2056 sparc:sparc64 | \ 2057 "$cpu:$cpu") 2058 try='native cross' ;; 2059 esac 2060 eval "target_cflags=\${cross_cc_cflags_$target_arch}" 2061 for thistry in $try; do 2062 case $thistry in 2063 native) 2064 target_cc=$cc 2065 target_ccas=$ccas 2066 target_ar=$ar 2067 target_as=$as 2068 target_ld=$ld 2069 target_nm=$nm 2070 target_objcopy=$objcopy 2071 target_ranlib=$ranlib 2072 target_strip=$strip 2073 ;; 2074 cross) 2075 target_cc= 2076 if eval test -n "\"\${cross_cc_$target_arch}\""; then 2077 if eval has "\"\${cross_cc_$target_arch}\""; then 2078 eval "target_cc=\"\${cross_cc_$target_arch}\"" 2079 fi 2080 else 2081 compute_target_variable $target_arch target_cc gcc 2082 fi 2083 target_ccas=$target_cc 2084 compute_target_variable $target_arch target_ar ar 2085 compute_target_variable $target_arch target_as as 2086 compute_target_variable $target_arch target_ld ld 2087 compute_target_variable $target_arch target_nm nm 2088 compute_target_variable $target_arch target_objcopy objcopy 2089 compute_target_variable $target_arch target_ranlib ranlib 2090 compute_target_variable $target_arch target_strip strip 2091 ;; 2092 esac 2093 2094 if test -n "$target_cc"; then 2095 case $target_arch in 2096 i386|x86_64) 2097 if $target_cc --version | grep -qi "clang"; then 2098 continue 2099 fi 2100 ;; 2101 esac 2102 elif test -n "$target_as" && test -n "$target_ld"; then 2103 # Special handling for assembler only targets 2104 case $target in 2105 tricore-softmmu) 2106 build_static= 2107 got_cross_cc=yes 2108 break 2109 ;; 2110 *) 2111 continue 2112 ;; 2113 esac 2114 else 2115 continue 2116 fi 2117 2118 write_c_skeleton 2119 case $1 in 2120 *-softmmu) 2121 if do_compiler "$target_cc" $target_cflags -o $TMPO -c $TMPC && 2122 do_compiler "$target_cc" $target_cflags -r -nostdlib -o "${TMPDIR1}/${TMPB}2.o" "$TMPO" -lgcc; then 2123 got_cross_cc=yes 2124 break 2125 fi 2126 ;; 2127 *) 2128 if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC -static ; then 2129 build_static=y 2130 got_cross_cc=yes 2131 break 2132 fi 2133 if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC ; then 2134 build_static= 2135 got_cross_cc=yes 2136 break 2137 fi 2138 ;; 2139 esac 2140 done 2141 if test $got_cross_cc != yes; then 2142 build_static= 2143 target_cc= 2144 target_ccas= 2145 target_ar= 2146 target_as= 2147 target_ld= 2148 target_nm= 2149 target_objcopy= 2150 target_ranlib= 2151 target_strip= 2152 fi 2153 test -n "$target_cc" 2154} 2155 2156write_target_makefile() { 2157 echo "EXTRA_CFLAGS=$target_cflags" 2158 if test -z "$target_cc" && test -z "$target_as"; then 2159 test -z "$container_image" && error_exit "Internal error: could not find cross compiler for $1?" 2160 echo "$1: docker-image-$container_image" >> Makefile.prereqs 2161 if test -n "$container_cross_cc"; then 2162 echo "CC=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --" 2163 echo "CCAS=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --" 2164 fi 2165 echo "AR=$docker_py cc --cc $container_cross_ar -i qemu/$container_image -s $source_path --" 2166 echo "AS=$docker_py cc --cc $container_cross_as -i qemu/$container_image -s $source_path --" 2167 echo "LD=$docker_py cc --cc $container_cross_ld -i qemu/$container_image -s $source_path --" 2168 echo "NM=$docker_py cc --cc $container_cross_nm -i qemu/$container_image -s $source_path --" 2169 echo "OBJCOPY=$docker_py cc --cc $container_cross_objcopy -i qemu/$container_image -s $source_path --" 2170 echo "RANLIB=$docker_py cc --cc $container_cross_ranlib -i qemu/$container_image -s $source_path --" 2171 echo "STRIP=$docker_py cc --cc $container_cross_strip -i qemu/$container_image -s $source_path --" 2172 else 2173 if test -n "$target_cc"; then 2174 echo "CC=$target_cc" 2175 echo "CCAS=$target_ccas" 2176 fi 2177 if test -n "$target_ar"; then 2178 echo "AR=$target_ar" 2179 fi 2180 if test -n "$target_as"; then 2181 echo "AS=$target_as" 2182 fi 2183 if test -n "$target_ld"; then 2184 echo "LD=$target_ld" 2185 fi 2186 if test -n "$target_nm"; then 2187 echo "NM=$target_nm" 2188 fi 2189 if test -n "$target_objcopy"; then 2190 echo "OBJCOPY=$target_objcopy" 2191 fi 2192 if test -n "$target_ranlib"; then 2193 echo "RANLIB=$target_ranlib" 2194 fi 2195 if test -n "$target_strip"; then 2196 echo "STRIP=$target_strip" 2197 fi 2198 fi 2199} 2200 2201########################################## 2202# check for vfio_user_server 2203 2204case "$vfio_user_server" in 2205 enabled ) 2206 if test "$git_submodules_action" != "ignore"; then 2207 git_submodules="${git_submodules} subprojects/libvfio-user" 2208 fi 2209 ;; 2210esac 2211 2212########################################## 2213# End of CC checks 2214# After here, no more $cc or $ld runs 2215 2216write_c_skeleton 2217 2218if test "$fortify_source" = "yes" ; then 2219 QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS" 2220fi 2221 2222if test "$have_asan" = "yes"; then 2223 QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS" 2224 QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS" 2225 if test "$have_asan_iface_h" = "no" ; then 2226 echo "ASAN build enabled, but ASAN header missing." \ 2227 "Without code annotation, the report may be inferior." 2228 elif test "$have_asan_iface_fiber" = "no" ; then 2229 echo "ASAN build enabled, but ASAN header is too old." \ 2230 "Without code annotation, the report may be inferior." 2231 fi 2232fi 2233if test "$have_tsan" = "yes" ; then 2234 if test "$have_tsan_iface_fiber" = "yes" ; then 2235 QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS" 2236 QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS" 2237 else 2238 error_exit "Cannot enable TSAN due to missing fiber annotation interface." 2239 fi 2240elif test "$tsan" = "yes" ; then 2241 error_exit "Cannot enable TSAN due to missing sanitize thread interface." 2242fi 2243if test "$have_ubsan" = "yes"; then 2244 QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS" 2245 QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS" 2246fi 2247 2248####################################### 2249# cross-compiled firmware targets 2250 2251# Set up build tree symlinks that point back into the source tree 2252# (these can be both files and directories). 2253# Caution: avoid adding files or directories here using wildcards. This 2254# will result in problems later if a new file matching the wildcard is 2255# added to the source tree -- nothing will cause configure to be rerun 2256# so the build tree will be missing the link back to the new file, and 2257# tests might fail. Prefer to keep the relevant files in their own 2258# directory and symlink the directory instead. 2259LINKS="Makefile" 2260LINKS="$LINKS pc-bios/optionrom/Makefile" 2261LINKS="$LINKS pc-bios/s390-ccw/Makefile" 2262LINKS="$LINKS pc-bios/vof/Makefile" 2263LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit 2264LINKS="$LINKS tests/avocado tests/data" 2265LINKS="$LINKS tests/qemu-iotests/check" 2266LINKS="$LINKS python" 2267LINKS="$LINKS contrib/plugins/Makefile " 2268for f in $LINKS ; do 2269 if [ -e "$source_path/$f" ]; then 2270 mkdir -p "$(dirname ./"$f")" 2271 symlink "$source_path/$f" "$f" 2272 fi 2273done 2274 2275echo "# Automatically generated by configure - do not modify" > Makefile.prereqs 2276 2277# Mac OS X ships with a broken assembler 2278roms= 2279if have_target i386-softmmu x86_64-softmmu && \ 2280 test "$targetos" != "darwin" && test "$targetos" != "sunos" && \ 2281 test "$targetos" != "haiku" && \ 2282 probe_target_compiler i386-softmmu; then 2283 roms="pc-bios/optionrom" 2284 config_mak=pc-bios/optionrom/config.mak 2285 echo "# Automatically generated by configure - do not modify" > $config_mak 2286 echo "TOPSRC_DIR=$source_path" >> $config_mak 2287 write_target_makefile >> $config_mak 2288fi 2289 2290if have_target ppc-softmmu ppc64-softmmu && \ 2291 probe_target_compiler ppc-softmmu; then 2292 roms="$roms pc-bios/vof" 2293 config_mak=pc-bios/vof/config.mak 2294 echo "# Automatically generated by configure - do not modify" > $config_mak 2295 echo "SRC_DIR=$source_path/pc-bios/vof" >> $config_mak 2296 write_target_makefile >> $config_mak 2297fi 2298 2299# Only build s390-ccw bios if the compiler has -march=z900 or -march=z10 2300# (which is the lowest architecture level that Clang supports) 2301if have_target s390x-softmmu && probe_target_compiler s390x-softmmu; then 2302 write_c_skeleton 2303 do_compiler "$target_cc" $target_cc_cflags -march=z900 -o $TMPO -c $TMPC 2304 has_z900=$? 2305 if [ $has_z900 = 0 ] || do_compiler "$target_cc" $target_cc_cflags -march=z10 -msoft-float -Werror -o $TMPO -c $TMPC; then 2306 if [ $has_z900 != 0 ]; then 2307 echo "WARNING: Your compiler does not support the z900!" 2308 echo " The s390-ccw bios will only work with guest CPUs >= z10." 2309 fi 2310 roms="$roms pc-bios/s390-ccw" 2311 config_mak=pc-bios/s390-ccw/config-host.mak 2312 echo "# Automatically generated by configure - do not modify" > $config_mak 2313 echo "SRC_PATH=$source_path/pc-bios/s390-ccw" >> $config_mak 2314 write_target_makefile >> $config_mak 2315 # SLOF is required for building the s390-ccw firmware on s390x, 2316 # since it is using the libnet code from SLOF for network booting. 2317 git_submodules="${git_submodules} roms/SLOF" 2318 fi 2319fi 2320 2321####################################### 2322# generate config-host.mak 2323 2324if ! (GIT="$git" "$source_path/scripts/git-submodule.sh" "$git_submodules_action" "$git_submodules"); then 2325 exit 1 2326fi 2327 2328config_host_mak="config-host.mak" 2329 2330echo "# Automatically generated by configure - do not modify" > $config_host_mak 2331echo >> $config_host_mak 2332 2333echo all: >> $config_host_mak 2334echo "GIT=$git" >> $config_host_mak 2335echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak 2336echo "GIT_SUBMODULES_ACTION=$git_submodules_action" >> $config_host_mak 2337 2338if test "$debug_tcg" = "yes" ; then 2339 echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak 2340fi 2341if test "$mingw32" = "yes" ; then 2342 echo "CONFIG_WIN32=y" >> $config_host_mak 2343 echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER-QEMU}" >> $config_host_mak 2344 echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO-Linux}" >> $config_host_mak 2345 echo "QEMU_GA_VERSION=${QEMU_GA_VERSION-$(cat "$source_path"/VERSION)}" >> $config_host_mak 2346else 2347 echo "CONFIG_POSIX=y" >> $config_host_mak 2348fi 2349 2350if test "$linux" = "yes" ; then 2351 echo "CONFIG_LINUX=y" >> $config_host_mak 2352fi 2353 2354if test "$darwin" = "yes" ; then 2355 echo "CONFIG_DARWIN=y" >> $config_host_mak 2356fi 2357 2358if test "$solaris" = "yes" ; then 2359 echo "CONFIG_SOLARIS=y" >> $config_host_mak 2360fi 2361if test "$static" = "yes" ; then 2362 echo "CONFIG_STATIC=y" >> $config_host_mak 2363fi 2364echo "SRC_PATH=$source_path" >> $config_host_mak 2365echo "TARGET_DIRS=$target_list" >> $config_host_mak 2366if test "$modules" = "yes"; then 2367 echo "CONFIG_MODULES=y" >> $config_host_mak 2368fi 2369 2370# XXX: suppress that 2371if [ "$bsd" = "yes" ] ; then 2372 echo "CONFIG_BSD=y" >> $config_host_mak 2373fi 2374 2375echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak 2376 2377if test "$have_asan_iface_fiber" = "yes" ; then 2378 echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak 2379fi 2380 2381if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then 2382 echo "CONFIG_TSAN=y" >> $config_host_mak 2383fi 2384 2385if test "$plugins" = "yes" ; then 2386 echo "CONFIG_PLUGIN=y" >> $config_host_mak 2387fi 2388 2389if test -n "$gdb_bin"; then 2390 gdb_version=$($gdb_bin --version | head -n 1) 2391 if version_ge ${gdb_version##* } 9.1; then 2392 echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak 2393 else 2394 gdb_bin="" 2395 fi 2396fi 2397 2398if test "$container" != no; then 2399 echo "ENGINE=$container" >> $config_host_mak 2400fi 2401echo "ROMS=$roms" >> $config_host_mak 2402echo "MAKE=$make" >> $config_host_mak 2403echo "PYTHON=$python" >> $config_host_mak 2404echo "GENISOIMAGE=$genisoimage" >> $config_host_mak 2405echo "MESON=$meson" >> $config_host_mak 2406echo "NINJA=$ninja" >> $config_host_mak 2407echo "CC=$cc" >> $config_host_mak 2408echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak 2409echo "QEMU_OBJCFLAGS=$QEMU_OBJCFLAGS" >> $config_host_mak 2410echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak 2411echo "GLIB_LIBS=$glib_libs" >> $config_host_mak 2412echo "GLIB_BINDIR=$glib_bindir" >> $config_host_mak 2413echo "GLIB_VERSION=$($pkg_config --modversion glib-2.0)" >> $config_host_mak 2414echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak 2415echo "EXESUF=$EXESUF" >> $config_host_mak 2416 2417# use included Linux headers 2418if test "$linux" = "yes" ; then 2419 mkdir -p linux-headers 2420 case "$cpu" in 2421 i386|x86_64) 2422 linux_arch=x86 2423 ;; 2424 ppc|ppc64) 2425 linux_arch=powerpc 2426 ;; 2427 s390x) 2428 linux_arch=s390 2429 ;; 2430 aarch64) 2431 linux_arch=arm64 2432 ;; 2433 loongarch*) 2434 linux_arch=loongarch 2435 ;; 2436 mips64) 2437 linux_arch=mips 2438 ;; 2439 *) 2440 # For most CPUs the kernel architecture name and QEMU CPU name match. 2441 linux_arch="$cpu" 2442 ;; 2443 esac 2444 # For non-KVM architectures we will not have asm headers 2445 if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then 2446 symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm 2447 fi 2448fi 2449 2450for target in $target_list; do 2451 target_dir="$target" 2452 target_name=$(echo $target | cut -d '-' -f 1)$EXESUF 2453 mkdir -p "$target_dir" 2454 case $target in 2455 *-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;; 2456 *) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;; 2457 esac 2458done 2459 2460if test "$default_targets" = "yes"; then 2461 echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak 2462fi 2463 2464if test "$ccache_cpp2" = "yes"; then 2465 echo "export CCACHE_CPP2=y" >> $config_host_mak 2466fi 2467 2468if test "$safe_stack" = "yes"; then 2469 echo "CONFIG_SAFESTACK=y" >> $config_host_mak 2470fi 2471 2472# tests/tcg configuration 2473(config_host_mak=tests/tcg/config-host.mak 2474mkdir -p tests/tcg 2475echo "# Automatically generated by configure - do not modify" > $config_host_mak 2476echo "SRC_PATH=$source_path" >> $config_host_mak 2477echo "HOST_CC=$host_cc" >> $config_host_mak 2478 2479# versioned checked in the main config_host.mak above 2480if test -n "$gdb_bin"; then 2481 echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak 2482fi 2483if test "$plugins" = "yes" ; then 2484 echo "CONFIG_PLUGIN=y" >> $config_host_mak 2485fi 2486 2487tcg_tests_targets= 2488for target in $target_list; do 2489 arch=${target%%-*} 2490 2491 case $target in 2492 xtensa*-linux-user) 2493 # the toolchain is not complete with headers, only build softmmu tests 2494 continue 2495 ;; 2496 *-softmmu) 2497 test -f "$source_path/tests/tcg/$arch/Makefile.softmmu-target" || continue 2498 qemu="qemu-system-$arch" 2499 ;; 2500 *-linux-user|*-bsd-user) 2501 qemu="qemu-$arch" 2502 ;; 2503 esac 2504 2505 if probe_target_compiler $target || test -n "$container_image"; then 2506 test -n "$container_image" && build_static=y 2507 mkdir -p "tests/tcg/$target" 2508 config_target_mak=tests/tcg/$target/config-target.mak 2509 ln -sf "$source_path/tests/tcg/Makefile.target" "tests/tcg/$target/Makefile" 2510 echo "# Automatically generated by configure - do not modify" > "$config_target_mak" 2511 echo "TARGET_NAME=$arch" >> "$config_target_mak" 2512 echo "TARGET=$target" >> "$config_target_mak" 2513 write_target_makefile "build-tcg-tests-$target" >> "$config_target_mak" 2514 echo "BUILD_STATIC=$build_static" >> "$config_target_mak" 2515 echo "QEMU=$PWD/$qemu" >> "$config_target_mak" 2516 echo "run-tcg-tests-$target: $qemu\$(EXESUF)" >> Makefile.prereqs 2517 tcg_tests_targets="$tcg_tests_targets $target" 2518 fi 2519done 2520 2521if test "$tcg" = "enabled"; then 2522 echo "TCG_TESTS_TARGETS=$tcg_tests_targets" >> config-host.mak 2523fi 2524) 2525 2526if test "$skip_meson" = no; then 2527 cross="config-meson.cross.new" 2528 meson_quote() { 2529 test $# = 0 && return 2530 echo "'$(echo $* | sed "s/ /','/g")'" 2531 } 2532 2533 echo "# Automatically generated by configure - do not modify" > $cross 2534 echo "[properties]" >> $cross 2535 2536 # unroll any custom device configs 2537 for a in $device_archs; do 2538 eval "c=\$devices_${a}" 2539 echo "${a}-softmmu = '$c'" >> $cross 2540 done 2541 2542 echo "[built-in options]" >> $cross 2543 echo "c_args = [$(meson_quote $CFLAGS $EXTRA_CFLAGS)]" >> $cross 2544 echo "cpp_args = [$(meson_quote $CXXFLAGS $EXTRA_CXXFLAGS)]" >> $cross 2545 test -n "$objcc" && echo "objc_args = [$(meson_quote $OBJCFLAGS $EXTRA_OBJCFLAGS)]" >> $cross 2546 echo "c_link_args = [$(meson_quote $CFLAGS $LDFLAGS $EXTRA_CFLAGS $EXTRA_LDFLAGS)]" >> $cross 2547 echo "cpp_link_args = [$(meson_quote $CXXFLAGS $LDFLAGS $EXTRA_CXXFLAGS $EXTRA_LDFLAGS)]" >> $cross 2548 echo "[binaries]" >> $cross 2549 echo "c = [$(meson_quote $cc $CPU_CFLAGS)]" >> $cross 2550 test -n "$cxx" && echo "cpp = [$(meson_quote $cxx $CPU_CFLAGS)]" >> $cross 2551 test -n "$objcc" && echo "objc = [$(meson_quote $objcc $CPU_CFLAGS)]" >> $cross 2552 echo "ar = [$(meson_quote $ar)]" >> $cross 2553 echo "nm = [$(meson_quote $nm)]" >> $cross 2554 echo "pkgconfig = [$(meson_quote $pkg_config_exe)]" >> $cross 2555 echo "ranlib = [$(meson_quote $ranlib)]" >> $cross 2556 if has $sdl2_config; then 2557 echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross 2558 fi 2559 echo "strip = [$(meson_quote $strip)]" >> $cross 2560 echo "widl = [$(meson_quote $widl)]" >> $cross 2561 echo "windres = [$(meson_quote $windres)]" >> $cross 2562 echo "windmc = [$(meson_quote $windmc)]" >> $cross 2563 if test "$cross_compile" = "yes"; then 2564 cross_arg="--cross-file config-meson.cross" 2565 echo "[host_machine]" >> $cross 2566 echo "system = '$targetos'" >> $cross 2567 case "$cpu" in 2568 i386) 2569 echo "cpu_family = 'x86'" >> $cross 2570 ;; 2571 *) 2572 echo "cpu_family = '$cpu'" >> $cross 2573 ;; 2574 esac 2575 echo "cpu = '$cpu'" >> $cross 2576 if test "$bigendian" = "yes" ; then 2577 echo "endian = 'big'" >> $cross 2578 else 2579 echo "endian = 'little'" >> $cross 2580 fi 2581 else 2582 cross_arg="--native-file config-meson.cross" 2583 fi 2584 mv $cross config-meson.cross 2585 2586 rm -rf meson-private meson-info meson-logs 2587 2588 # Built-in options 2589 test "$bindir" != "bin" && meson_option_add "-Dbindir=$bindir" 2590 test "$default_feature" = no && meson_option_add -Dauto_features=disabled 2591 test "$pie" = no && meson_option_add -Db_pie=false 2592 test "$werror" = yes && meson_option_add -Dwerror=true 2593 2594 # QEMU options 2595 test "$cfi" != false && meson_option_add "-Dcfi=$cfi" 2596 test "$fdt" != auto && meson_option_add "-Dfdt=$fdt" 2597 test -n "${LIB_FUZZING_ENGINE+xxx}" && meson_option_add "-Dfuzzing_engine=$LIB_FUZZING_ENGINE" 2598 test "$qemu_suffix" != qemu && meson_option_add "-Dqemu_suffix=$qemu_suffix" 2599 test "$smbd" != '' && meson_option_add "-Dsmbd=$smbd" 2600 test "$tcg" != enabled && meson_option_add "-Dtcg=$tcg" 2601 test "$vfio_user_server" != auto && meson_option_add "-Dvfio_user_server=$vfio_user_server" 2602 run_meson() { 2603 NINJA=$ninja $meson setup --prefix "$prefix" "$@" $cross_arg "$PWD" "$source_path" 2604 } 2605 eval run_meson $meson_options 2606 if test "$?" -ne 0 ; then 2607 error_exit "meson setup failed" 2608 fi 2609fi 2610 2611# Save the configure command line for later reuse. 2612cat <<EOD >config.status 2613#!/bin/sh 2614# Generated by configure. 2615# Run this file to recreate the current configuration. 2616# Compiler output produced by configure, useful for debugging 2617# configure, is in config.log if it exists. 2618EOD 2619 2620preserve_env() { 2621 envname=$1 2622 2623 eval envval=\$$envname 2624 2625 if test -n "$envval" 2626 then 2627 echo "$envname='$envval'" >> config.status 2628 echo "export $envname" >> config.status 2629 else 2630 echo "unset $envname" >> config.status 2631 fi 2632} 2633 2634# Preserve various env variables that influence what 2635# features/build target configure will detect 2636preserve_env AR 2637preserve_env AS 2638preserve_env CC 2639preserve_env CFLAGS 2640preserve_env CXX 2641preserve_env CXXFLAGS 2642preserve_env LD 2643preserve_env LDFLAGS 2644preserve_env LD_LIBRARY_PATH 2645preserve_env MAKE 2646preserve_env NM 2647preserve_env OBJCFLAGS 2648preserve_env OBJCOPY 2649preserve_env PATH 2650preserve_env PKG_CONFIG 2651preserve_env PKG_CONFIG_LIBDIR 2652preserve_env PKG_CONFIG_PATH 2653preserve_env PYTHON 2654preserve_env QEMU_GA_MANUFACTURER 2655preserve_env QEMU_GA_DISTRO 2656preserve_env QEMU_GA_VERSION 2657preserve_env SDL2_CONFIG 2658preserve_env SMBD 2659preserve_env STRIP 2660preserve_env WIDL 2661preserve_env WINDRES 2662preserve_env WINDMC 2663 2664printf "exec" >>config.status 2665for i in "$0" "$@"; do 2666 test "$i" = --skip-meson || printf " %s" "$(quote_sh "$i")" >>config.status 2667done 2668echo ' "$@"' >>config.status 2669chmod +x config.status 2670 2671rm -r "$TMPDIR1" 2672